Made for long hours in the widest range of conditions, this tight features Castelli's ultra-stretchy, warm and water-repellent Nano Flex 3G fabric with the extra warmth of Nano Flex Xtra Dry on the hips and thighs, along with an anatomical cut and the Progetto X2 Air seamless seat pad for long-distance comfort.Features:Nano Flex 3G fabric for our best mix of warmth, stretchy compression, softness and water repellencyNano Flex Xtra Dry fabric panel on upper front and thighs for extra warmth, and on back to protect from road sprayAnatomic cut to hips and kneeReflective inserts for maximum visibility from behindLie-flat elastic bib strapsYKK® Camlock® zippers at ankles